Otillo, Sweden

5 hardcore events that should appear on every aspiring adventure racer’s bucket list.

Otillo translated into English means “island to island” which is exactly what this race entails, pretty much. Except for the fact you’re probably thinking a ferry will take you from island to island. Which is where you’d be wrong.

This insanely gruelling race requires athletes to swim from island to island and then run across each one – in your swim gear. And due to the fact it is held in Sweden, wetsuits are pretty essential.

All in all you have to cover a total of 46.2 miles across a total of 24 islands. The race is limited to 120 teams of two and is so popular that a combination of a lottery and qualifying events are used to ensure the right balance of ironman triathletes, multisport stars, elite military teams, endurance junkies and nut cases turn out at the start line.

Newsletter Terms & Conditions

Please enter your email so we can keep you updated with news, features and the latest offers. If you are not interested you can unsubscribe at any time. We will never sell your data and you'll only get messages from us and our partners whose products and services we think you'll enjoy.